The IEC 60320 AC power inlet is the most commonly used means of connecting a detachable cord set to electrical or electronic equipment and is used throughout the industrialized world. The IEC 60320 Appliance and Interconnection Couplers sheet  is a beneficial chart to assist you in picking the correct IEC 60320 for you equipment needs.

IEC 60320-1 Appliance Couplers						IEC60320-2-2 Interconnection Couplers
	0.2A Family
Connectors			Inlets				Plug Connectors		Outlets
Class II, Cold
							These couplers are not inthe IEC 60320-2-2 standard.
C1			C2
	2.5A Family Back to the top
Connectors			Inlets				Plug Connectors		Outlets
Class I, Cold							Class I
C5			C6				Sheet A		Sheet B
Class II, Cold							Class II
C7			C8				Sheet C		Sheet D
	6A Family Back to the top
Connectors			Inlets				Plug Connectors		Outlets
Class II, Cold
							These couplers are not inthe IEC 60320-2-2 standard.
C9			C10